MCQs Soil Science-50 Posted on May 10, 2025August 30, 2025Author agropublishers 0 1. The process of conversion of Fe+2 (ferrous ion) to Fe+3 (ferric ion) is _______ Oxidation Reduction Hydrolysis Complexation 2. Why is it important to study hypoxia? All of these To understand its impact on aquatic ecosystems To understand its impact on plant health To develop strategies for mitigation 3. Granite is a type of ___________ rock Igneous Sedimentary Metamorphic Foliated 4. ____________ is a subdivision of a soil series, taking into account variations in properties such as texture, erosion, or slope Soil phase Soil family Soil horizon Soil order 5. What primarily controls the formation of major landforms, including mountains, valleys, and plateaus? Tectonic processes Erosion and deposition Climatic processes Biological processes Chemical weathering 6. Colluvial deposits are primarily associated with the movement of material under the influence of ___________ Gravity Wind Rivers Glaciers 7. _________ is an example of a human-induced cause of hypoxia in aquatic environments Nutrient pollution Climate change Sedimentation Ocean currents 8. __________ is an example of a climatic disaster Drought Landslide Tsunami Earthquake 9. _________________ factor/s regulate or influence soil development All of these Composition of parent material Climate Topography Biological activity 10. How many seed leaves can monocotyledonous plants, or monocots, have in their seedlings One Three Two Variable Loading … Question 1 of 10
